CN112927435A

CN112927435A - Remote electric energy recharging system and method

Info

Publication number: CN112927435A
Application number: CN202110087021.1A
Authority: CN
Inventors: 林柏; 贺荔; 华祥辉; 冯培洋; 卿虹键
Original assignee: Sichuan Jaston Electrical Equipment Co ltd
Current assignee: Sichuan Jaston Electrical Equipment Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-06-08
Anticipated expiration: 2041-01-22
Also published as: CN112927435B

Abstract

The invention provides a remote electric energy recharging system which comprises a recharging device, wherein the recharging device comprises a Bluetooth card writer, a network card writer and a Bluetooth collector, wherein the Bluetooth card writer and the network card writer are used for writing an electric card, and the Bluetooth collector is used for being respectively connected with an electric meter and a mobile terminal which can be in communication connection with a cloud background so as to enable the electric meter to be in indirect communication connection with the cloud background; the Bluetooth card writer is internally provided with a Bluetooth card writer circuit, the Bluetooth card writer circuit comprises a CPU circuit, an encryption card circuit, an intelligent card circuit, a switching circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit, and the encryption card circuit, the intelligent card circuit, the switching circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are all connected with the CPU circuit. The invention also provides a remote electric energy recharging method. The invention realizes remote charging with a card and another non-card charging without the construction of an acquisition system.

Description

Remote electric energy recharging system and method

Technical Field

The invention relates to the field of electric energy recharging equipment, in particular to a remote electric energy recharging system and method.

Background

The electricity selling system has various forms, such as an IC card electricity selling system and a remote electricity selling system. The remote electricity selling system is characterized in that the electric energy meter and the background electricity selling software are connected together through a communication network, the background electricity selling software can communicate with the electric energy meter in real time, the requirements of data query and remote electricity selling can be completed in time, and users with the communication network can also independently utilize functional software on a mobile phone to carry out self-service recharging. In the IC card electricity selling system, the electric energy meter and the electricity selling system have no real-time data connection, and the electric energy meter and the electricity selling system carry out intermittent and necessary data transmission through the IC card. The data transmission is also limited, for example, when the property goes off duty, even if the user charges and purchases electricity, the user can purchase electricity by physically touching the card writer of the property to write the card, so that the user cannot purchase electricity autonomously in time.

In terms of system construction, the construction costs of the two systems are greatly different when used in different occasions. The local area network collected by the electric energy meter adopts the following steps: the short-distance wireless network, the industrial bus and Ethernet wired network, the carrier wave network and the like, and the construction of the networks should be selected according to the specific situation of the site, such as building distribution situation, and the situation that the building structure influences the strength of the wiring or wireless signals. Meanwhile, due to the fact that the construction cost of the acquisition network is relatively high, the property management can possibly select an IC card recharging scheme. Therefore, a contradiction is generated, and the local area network part in the remote acquisition network usually adopts high-cost modes such as wireless, wired and carrier waves; the IC card recharging scheme has low cost, but can not realize autonomous, self-service and timely recharging.

Disclosure of Invention

The invention provides a remote electric energy recharging system and a remote electric energy recharging method, which realize remote card recharging without the construction of an acquisition system, so as to solve the problem that the existing IC card recharging scheme can not realize autonomous, self-service and timely recharging; the method realizes another card-free recharging without the construction of an acquisition system so as to solve the problem of relatively high construction cost of the acquisition system.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a remote electric energy recharging system comprises a recharging device, wherein the recharging device comprises a Bluetooth card writer, a network card writer and a Bluetooth collector, the Bluetooth card writer and the network card writer are used for writing an electric card, and the Bluetooth collector is used for being connected with an electric meter and a mobile terminal which can be in communication connection with a cloud background respectively so as to enable the electric meter to be in indirect communication connection with the cloud background; the Bluetooth card writer is internally provided with a Bluetooth card writer circuit, the Bluetooth card writer circuit comprises a CPU circuit, an encryption card circuit, an intelligent card circuit, a setting switch circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit, and the encryption card circuit, the intelligent card circuit, the setting switch circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are all connected with the CPU circuit;

the CPU circuit comprises a chip U6, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C16, a capacitor C17, a resistor R24 and a resistor R25, wherein a pin 16 of the chip U6 is connected with the capacitor C10, a pin 15 of the chip U6 is connected with the capacitor C13, a pin 14 of the chip U6 is connected with the capacitor C11 and the capacitor C12,

pins

11 and 12 of the chip U6 are connected with the capacitor C9, a pin 17 of the chip U9 is connected with the capacitor C9, a pin 64 of the chip U9 is connected with the capacitor C9, the capacitor C9 and the capacitor C9 are connected with the ground, a pin 47 of the chip U9 is connected with one end of the resistor R9, the other end of the resistor R9 and the other end of the chip U9 are connected with the resistor R9, the chip U9, and the other end of the.

Further, the switch circuit is provided with a switch K1, one end of the switch K1 is connected with the 54 pin of the chip U6, and the other end is grounded.

Further, the USB circuit includes a USB female socket J1, a chip U2, a chip U5, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C18, a resistor JP6, a resistor JP7, a resistor R18, and a resistor R19, wherein pins 1 of the USB female socket J1 are connected to one end of the capacitor C4 and one end of the capacitor C5, and are connected to the rear ground, pins 2 of the USB female socket J1 are connected to pins 1 of the chip U2 and pin 1 of the chip U5, pins 3 of the USB female socket J1 are connected to pins 2 of the chip U2 and pin 2 of the chip U5, pins 4 of the USB female socket J1 are connected to one end of the resistor JP6 and one end of the resistor JP7, the other end of the resistor JP6 is connected to the other end of the resistor U7, the other end of the capacitor C4, the other end of the capacitor C5, one end of the resistor R8672, the pin of the chip U5, the other end of the chip U5, the chip 3617, the pin of the chip U5, and the chip 36, the other end of the capacitor C7 is grounded, a pin 3 of the chip U5 is connected with a pin 13 of the chip U6, a pin 6 of the chip U5 is connected with the other end of the resistor R18, a pin 7 of the chip U5 is connected with the other end of the resistor R19, a pin 8 of the chip U5 is connected with one end of the capacitor C6, and the other end of the capacitor C6 is grounded.

Furthermore, the program downloading debugging port circuit comprises a pin bank J3, a capacitor C15 and a resistor R20, wherein pin 1 of the pin bank J3 is connected with pin 17 of a chip U6, pin 2 of the pin bank J3 is connected with pin 13 of a chip U6, pin 3 of the pin bank J3 is connected with one end of the capacitor C15, the other end of the capacitor C15 is grounded, pin 4 of the pin bank J3 is connected with one end of the resistor R20, and the other end of the resistor R20 is connected with pin 1 of a chip U6.

Furthermore, the bluetooth module circuit comprises a chip U11, a resistor R28, a resistor R32 and a light emitting diode D9, wherein pin 1 of the chip U11 is connected with the cathode of the light emitting diode D9 and pin 63 of the chip U6, pin 6 of the chip U11 is connected with pin 13 of the chip U6, pin 7 of the chip U11 is connected with one end of the resistor R28, pin 12 of the chip U11 is connected with pin 61 of the chip U6, and the anode of the light emitting diode D9 is connected with one end of the resistor R32.

Further, the bluetooth card writer circuit further comprises a state indicating circuit, the state indicating circuit comprises a resistor R1, a resistor R2, a light emitting diode D1 and a light emitting diode D2, one end of the resistor R1 is connected with a 44 pin of the chip U6, the other end of the resistor R1 is connected with the anode of the light emitting diode D1, the cathode of the light emitting diode D1 is grounded, one end of the resistor R2 is connected with a 45 pin of the chip U6, the other end of the resistor R2 is connected with the anode of the light emitting diode D2, and the cathode of the light emitting diode D2 is grounded.

Further, the bluetooth card writer circuit also comprises a buzzer circuit, the buzzer circuit comprises a triode Q4, a resistor R29, a resistor R30, a resistor R31 and a buzzer B1, the base of the triode Q4 is connected with one end of a resistor R31, the collector of the triode Q4 is connected with one end of the resistor R29, the emitter of the triode Q4 is connected with one end of the resistor R30, and the connected end is grounded, the other end of the resistor R31 and the other end of the resistor R30 are both connected with a 39 pin of a chip U6, the other end of the resistor R29 is connected with one end of the buzzer B1, and the other end of the buzzer B1 is connected with a 17 pin of the chip U6.

Further, the bluetooth card writer circuit also comprises a voltage stabilizing circuit, the voltage stabilizing circuit comprises a voltage stabilizing chip U10, a capacitor C27, a capacitor C37 and a capacitor C50, 3 pins of the voltage stabilizing chip U10 are connected with one end of a capacitor C37 and 17 pins of a chip U6, 2 pins of the voltage stabilizing chip U10 are connected with the anode of the capacitor C27, the other end of a resistor R32, the other end of the resistor R28 and one end of the capacitor C50, 1 pin of the voltage stabilizing chip U10 is connected with the other end of a capacitor C37, the cathode of the capacitor C27 and the other end of the capacitor C50, and the voltage stabilizing circuit is grounded after connection.

A remote electric energy charging method using any one of the remote electric energy charging systems of claims 1-8, comprising the following:

selecting a Bluetooth card writer, a network card writer or a Bluetooth collector to use in the recharging device; if the Bluetooth card writer is selected, the electric card of a user is inserted into the intelligent card seat of the intelligent card circuit, the intelligent card switch, namely the triode Q2, is triggered, and the chip U6 of the CPU circuit starts to interact with the electric card; a user uses the mobile terminal to read data in the user electric card; a user issues a recharging command through the mobile terminal, and recharging data is written into the electric card through the Bluetooth card writer; the user inserts the electric card into the electric meter to finish recharging; if the network card writer is selected, the user's electronic card is inserted into the network card writer; the CPU on the mainboard circuit senses the insertion of the electric card, reads the user information in the electric card, and feeds the user information back to the cloud background through the 4G interface board circuit or the Ethernet interface board circuit; after information verification is carried out by the cloud background, user information, electricity purchasing record information of the user and electricity utilization information are sent to the network card writer and displayed on an LCD of the mainboard circuit; the LCD displays the using state information of the electric card of the user and carries out corresponding prompt; the user uses the keys on the key board circuit and fills in the money to be recharged according to the prompt of the LCD, the network card writer sends the recharging requirement back to the cloud background, and the cloud background generates a two-dimensional code and sends the two-dimensional code to the network card writer for display; the user scans the two-dimensional code through the mobile terminal, verifies the recharging amount and the corresponding user information on the mobile terminal, and clicks to confirm; the cloud background receives the money recharged by the user and sends the recharging data back to the network card writer to finish the card writing operation; the user inserts the electric card into the electric meter to finish recharging; if the Bluetooth collector is selected, the user connects the mobile terminal with the Bluetooth collector, namely, the ammeter, the Bluetooth collector, the mobile terminal and the cloud background form a communication connection chain, the user issues a charging command through the mobile terminal, the cloud background receives the charging command, and charging data returned by the cloud background sequentially reach the ammeter from the mobile terminal, the Bluetooth collector and the ammeter, so that charging is completed.

Further, the prompt corresponding to the electric card use state information comprises: information whether the recharge amount in the electric card is recharged to the electric meter; if the recharging amount in the electric card is not recharged to the electric meter, the LCD prompts a user to insert the electric card into the electric meter for recharging; if the recharging amount in the electric card is recharged to the electric meter, the LCD will prompt that the card can be written for recharging.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, by arranging the recharging device, a user can select the Bluetooth card writer or the network card writer or the Bluetooth collector according to requirements and conditions, and can directly write the card or directly recharge the card, so that the independent self-service timely charging of the IC card is realized; the invention is suitable for charging the electric card of the non-specific user in public places. The Bluetooth card writer realizes the remote recharging of the personal self-help card; the network card writer realizes centralized self-service card-holding remote recharging; the Bluetooth collector realizes remote non-card recharging; but do not require the construction of a remote acquisition network.

The automatic, self-service and timely charging is realized by arranging a CPU circuit, an encryption card circuit, an intelligent card circuit, a switch circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit; the Bluetooth card writer provides power through a USB circuit; the user mobile phone is connected with the Bluetooth card writer through Bluetooth or USB; there are two methods of use: one is used for the electricity user, and the Bluetooth is used for remote recharging and card writing; the other is used for a power supply manager, is connected with a computer by using a USB and is used as a card writer (with an encryption card); the user's electric card is inserted into the intelligent card seat, and touches the intelligent card switch, the CPU begins to interact with the intelligent card; the user mobile phone reads the data in the user electric card; a user issues a recharging command through a mobile phone, and recharging data is written into the electric card through the Bluetooth card writer; the buzzer and the LED lamp carry out state indication in the whole operation process; the setting switch sets initial information for the Bluetooth card writer; the encryption card part circuit is not necessary for users who use electricity, and is a circuit which is used for connecting a computer when a manager performs the management functions of opening an account and selling electricity, and loading the encryption card to encrypt data.

Drawings

Fig. 1 is a schematic diagram of the principle of the present invention.

Fig. 2 is a schematic diagram of a part of the circuit of the bluetooth card writer circuit according to the present invention.

FIG. 3 is a schematic diagram of another part of the circuit of the Bluetooth card writer according to the present invention.

Fig. 4 is a schematic diagram of a portion of the circuit of the bluetooth collector of the present invention.

Fig. 5 is a schematic diagram of another part of the circuit of the bluetooth collector of the present invention.

FIG. 6 is a schematic diagram of a first circuit portion of the network card writer circuit according to the present invention.

FIG. 7 is a diagram of a second part of the network card writer circuit according to the present invention.

FIG. 8 is a third circuit diagram of the network card writer circuit according to the present invention.

FIG. 9 is a diagram of a fourth circuit portion of the network card writer circuit according to the present invention.

FIG. 10 is a fifth circuit diagram of the network card writer circuit according to the present invention.

FIG. 11 is a diagram of a sixth circuit of the network card writer circuit according to the present invention.

Fig. 12 is a schematic diagram of a seventh part of the network card writer circuit of the present invention.

Fig. 13 is a schematic diagram of an eighth circuit portion of the network card writer circuit according to the present invention.

FIG. 14 is a diagram of a ninth circuit of the network card writer circuit according to the present invention.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following. Referring to fig. 1-14, selected embodiments of the present invention are shown for illustrative purposes only and are not limited thereto.

Example one

A Bluetooth card writer circuit comprises a CPU circuit, an encryption card circuit, a smart card circuit, a setting switch circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit, wherein the encryption card circuit, the smart card circuit, the setting switch circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are all connected with the CPU circuit.

As shown in fig. 2, the connection relationship of the CPU circuit is as follows: a pin 16 of a chip U6 is connected with a capacitor C10, a pin 15 of the chip U6 is connected with a capacitor C13, a pin 14 of the chip U6 is connected with a capacitor C11 and a capacitor C12,

pins

11 and 12 of the chip U6 are connected with a capacitor C9, a pin 17 of the chip U6 is connected with a capacitor C14, a pin 64 of the chip U6 is connected with a capacitor C16, the capacitor C16 and the capacitor C16 are connected and then grounded, the capacitor C16 and the capacitor C16 are both grounded, a pin 47 of the chip U16 is connected with one end of a resistor R16, the resistor R16 and the capacitor C16, a pin 48 of the chip U16, the resistor R16 and the capacitor C16 are connected and then grounded, and the other end of the resistor R16 is connected with a pin 17 of the chip U16.

As shown in fig. 2, the connection relationship of the encryption card circuit is as follows: an emitter of the triode Q1 is connected with a pin 17 of the chip U6, a base of the triode Q1 is connected with one end of a resistor R3, the other end of the resistor R3 is connected with a pin 22 of the chip U6, collectors of the triode Q1 are connected with one end of a resistor R6, one end of a capacitor C1, a pin 6 of the diode module U4 and a pin 4 of the chip U3, the other end of the resistor R6 is connected with a pin 5 of the diode module U4, a pin 1 of the chip U3 and a pin 21 of the chip U6, a pin 3 of the chip U3 is connected with a pin 13 of the chip 573U 6, a pin 5 of the chip U3 is connected with a pin 3 of the diode module U4 and a pin 20 of the chip U6, and a pin 6 of the chip U3 is connected with a pin 4 of the diode module U4 and a pin 19.

As shown in fig. 3, the connection relationship of the smart card circuit is as follows: pin 1 of chip U1 is connected to one end of resistor R7, pin 2 of chip U1 is connected to one end of resistor R10 and pin 50 of chip U10, pin 3 of chip U10 is connected to one end of resistor R10 and pin 49 of chip U10, pin 7 of chip U10 is connected to one end of resistor R10, one end of resistor R10 and pin 51 of chip U10, pin 9 of chip U10 is connected to one end of resistor R10 and pin 52 of chip U10, pin 10 of chip U10 is connected to pin 13 of chip U10, the other end of resistor R10 is connected to the cathode of diode D10, the other end of resistor R10 is connected to one end of capacitor C and the cathode of diode D10, and the base of resistor R10 is connected to the transistor 10, and the collector of diode D10. The other end of the resistor R4 is connected with a pin 53 of the chip U6, and the emitters of the transistors Q2 are connected with one end of the capacitor C21 and a pin 17 of the chip U6.

As shown in fig. 3, one end of the switch K1 in the switch circuit is connected to pin 54 of the chip U6.

As shown in fig. 3, the USB circuit is connected as follows: the 1 pin of the USB female seat J1 is connected with one end of a capacitor C4 and one end of a capacitor C5, the 2 pin of the USB female seat J1 is connected with the 1 pin of a chip U2 and the 1 pin of a chip U5, the 3 pin of the USB female seat J1 is connected with the 2 pin of a chip U2 and the 2 pin of a chip U5, the 4 pin of the USB female seat J1 is connected with one end of a resistor JP1 and one end of a resistor JP1, the other end of the resistor JP1 is connected with the other end of the resistor JP1, the other end of the capacitor C1, one end of the resistor R1, the 5 pin of the chip U1 and the 17 pin of the chip U1, the 3 pin of the chip U1 is connected with the 13 pin of the chip U1, the 6 pin of the chip U1 is connected with the other end of the resistor R1, the other end of the chip U36.

As shown in fig. 2, the connection relationship of the program download debugging port circuit is as follows: pin 1 of pin bank J3 is connected with chip U6's 17 pin, and pin 2 of pin bank J3 is connected with chip U6's 13 pin, and pin 3 of pin bank J3 is connected with electric capacity C15 one end, and electric capacity C15 other end ground connection, and pin 4 of pin bank J3 is connected with resistance R20 one end, and the resistance R20 other end is connected with chip U6's 1 pin.

As shown in fig. 2, the connection relationship of the bluetooth module circuit is as follows: pin 1 of the chip U11 is connected with the cathode of the LED D9 and pin 63 of the chip U6, pin 6 of the chip U11 is connected with pin 13 of the chip U6, pin 7 of the chip U11 is connected with one end of a resistor R28, pin 12 of the chip U11 is connected with pin 61 of the chip U6, the anode of the LED D9 is connected with one end of the resistor R32, and the other end of the resistor R28 is connected with the other end of the resistor R32 and pin 5 of the chip U11.

The bluetooth card writer circuit further comprises a status indicating circuit, as shown in fig. 2, the connection relationship of the status indicating circuit is as follows: one end of the resistor R1 is connected with a pin 44 of the chip U6, the other end of the resistor R2 is connected with the anode of the light emitting diode D1, one end of the resistor R2 is connected with a pin 45 of the chip U6, and the other end of the resistor R3578 is connected with the anode of the light emitting diode D2.

The bluetooth card writer circuit further comprises a buzzer circuit, as shown in fig. 3, the buzzer circuit is connected as follows: the base electrode of the triode Q4 is connected with one end of the resistor R31, the collector electrode of the triode Q4 is connected with one end of the resistor R29, the emitter electrode of the triode Q4 is connected with one end of the resistor R30 and is grounded after connection, the other end of the resistor R31 and the other end of the resistor R30 are both connected with a 39 pin of the chip U6, the other end of the resistor R29 is connected with one end of the buzzer B1, and the other end of the buzzer B1 is connected with a 17 pin of the chip U6.

The bluetooth card writer circuit further comprises a voltage stabilizing circuit, as shown in fig. 3, the voltage stabilizing circuit has the following connection relationship: the 3 pins of the voltage stabilizing chip U10 are connected with one end of a capacitor C37 and the 17 pins of the chip U6, the 2 pins of the voltage stabilizing chip U10 are connected with the anode of the capacitor C27, the other end of a resistor R32, the other end of a resistor R28 and one end of a capacitor C50, and the 1 pin of the voltage stabilizing chip U10 is connected with the other end of a capacitor C37, the cathode of the capacitor C27 and the other end of a capacitor C50 and is grounded after connection.

The invention also provides a remote electric energy recharging method, which comprises the following steps: selecting a Bluetooth card writer, a network card writer or a Bluetooth collector to use in the recharging device; if the Bluetooth card writer is selected, the electric card of a user is inserted into the intelligent card seat of the intelligent card circuit, the intelligent card switch, namely the triode Q2, is triggered, and the chip U6 of the CPU circuit starts to interact with the electric card; a user uses the mobile terminal to read data in the user electric card; a user issues a recharging command through the mobile terminal, and recharging data is written into the electric card through the Bluetooth card writer; the user inserts the electric card into the electric meter to finish recharging;

if the network card writer is selected, the user's electronic card is inserted into the network card writer; the CPU on the mainboard circuit senses the insertion of the electric card, reads the user information in the electric card, and feeds the user information back to the cloud background through the 4G interface board circuit or the Ethernet interface board circuit; after information verification is carried out by the cloud background, user information, electricity purchasing record information of the user and electricity utilization information are sent to the network card writer and displayed on an LCD of the mainboard circuit; the LCD displays the using state information of the electric card of the user and carries out corresponding prompt; the user uses the keys on the key board circuit and fills in the money to be recharged according to the prompt of the LCD, the network card writer sends the recharging requirement back to the cloud background, and the cloud background generates a two-dimensional code and sends the two-dimensional code to the network card writer for display; the user scans the two-dimensional code through the mobile terminal, verifies the recharging amount and the corresponding user information on the mobile terminal, and clicks to confirm; the cloud background receives the money recharged by the user and sends the recharging data back to the network card writer to finish the card writing operation; the user inserts the electric card into the electric meter to finish recharging;

if the Bluetooth collector is selected, the user connects the mobile terminal with the Bluetooth collector, namely, the ammeter, the Bluetooth collector, the mobile terminal and the cloud background form a communication connection chain, the user issues a charging command through the mobile terminal, the cloud background receives the charging command, and charging data returned by the cloud background sequentially reach the ammeter from the mobile terminal, the Bluetooth collector and the ammeter, so that charging is completed.

The corresponding prompt of the electric card using state information comprises the following steps: information whether the recharge amount in the electric card is recharged to the electric meter; if the recharging amount in the electric card is not recharged to the electric meter, the LCD prompts a user to insert the electric card into the electric meter for recharging; if the recharging amount in the electric card is recharged to the electric meter, the LCD will prompt that the card can be written for recharging.

Example two: the second embodiment is a further optimization of the first embodiment.

The bluetooth card writer circuit further comprises another bluetooth circuit, as shown in fig. 3, the connection relationship of the another bluetooth circuit is as follows: the base of a triode Q3 is connected with one end of a resistor R15, the other end of the resistor R15 is connected with a pin 2 of a voltage stabilization chip U10, the emitter of a triode Q3 is connected with a pin 7 of a chip U9 and a pin 10 of a chip U11, the collector of a triode Q3 is connected with one end of a resistor R22 and a pin 29 of a chip U6, the other end of the resistor R6 is connected with a pin 17 of the chip U6, a pin 5 of the chip U6 is connected with one end of a capacitor C6, a pin 6 of the chip U6 is connected with a pin 13 of the chip U6, pins 8 of the chip U6 are connected with the anode of a diode D6 and one end of the resistor R6, pins 9 of the chip U6 are connected with one end of the resistor R6 and one end of the capacitor C6, a pin 11 of the chip U6 is connected with a pin 1 of a pin J6, the cathode of the diode D6 is connected with a pin 30 of the chip U6, the other end of the resistor R6 and the other end.

The other Bluetooth circuit and the Bluetooth module circuit can adapt to the design of modules of different manufacturers and can be selected for use. When the Bluetooth card writer is used, the Bluetooth card writer provides power through the USB circuit; the user mobile phone is connected with the Bluetooth card writer through Bluetooth or USB. There are two kinds of users: one is used for the electricity user, and the card is remotely written by recharging by using Bluetooth or USB; the other is used for a power supply manager, which is connected with a computer by using a USB and is used as a card writer (with an encryption card).

The user's electric card is inserted into the intelligent card holder of the intelligent card circuit, and the intelligent card switch, i.e. the triode Q2, is triggered, the card holder contact switch is normally closed, and the chip U6 of the CPU circuit starts to interact with the electric card; the user mobile phone reads the data in the user electric card; a user issues a recharging command through a mobile phone, and recharging data is written into the electric card through the Bluetooth card writer; the buzzer and the LED lamp carry out state indication in the whole operation process; the setting switch sets initial information for the Bluetooth card writer; the encryption card circuit is unnecessary for users who use electricity, and the encryption card circuit is used for connecting a computer when a manager performs the management functions of opening an account and selling electricity, and loading the encryption card to encrypt data. In conclusion, the user who uses electricity can carry out autonomous charging through the invention, and can charge electricity without going to the property place.

Example three: the third embodiment is further optimized by the second embodiment.

Bluetooth collector embeds there is bluetooth collector circuit, as shown in fig. 4 and 5, bluetooth collector circuit includes the CPU second circuit, RS485 second interface circuit, the interface circuit is downloaded in the program debugging, bluetooth second module circuit, bee calling organ second circuit, LED state indication second circuit and power supply part circuit all are connected with CPU second circuit.

As shown in fig. 4, the connection relationship of the second circuit of the CPU is as follows: a pin 16 of a chip U7 is connected with a capacitor C13, a pin 15 of the chip U7 is connected with a capacitor C14, a pin 14 of the chip U7 is connected with a capacitor C15 and a capacitor C17, a pin 11 and a pin 12 of the chip U7 are connected with a capacitor C18, a pin 17 of the chip U7 is connected with a capacitor C12, a pin 64 of the chip U7 is connected with a capacitor C20, the capacitor C20 and the capacitor C20 are grounded after being connected, a pin 47 of the chip U20 is connected with one end of a resistor R20, the resistor R20 and the capacitor C20, a pin 48 of the chip U20, the resistor R20 and the capacitor C20 are grounded after being connected, the other end of the resistor R20 is connected with a pin 17 of the chip U20, and one end of a state key K20 is connected with a pin 54.

As shown in fig. 4, the connection relationship of the RS485 second interface circuit is as follows: the VCP-common end is connected with one end of a resistor R9, one end of a resistor R5, a pin 4 and a pin 5 of a chip U4, the VCP + common end is connected with one end of a resistor R4, a pin 4 of an optocoupler U5, a pin 8 of a chip U4 and one end of a resistor R8, the RS485B common end is connected with one end of a suppressor diode D5, the other end of a resistor R5 and a pin 7 of a chip U4, the RS485A common end is connected with one end of a thermistor R7, the other end of the thermistor R7 is connected with the other end of the suppressor diode D7, the other end of the resistor R7 and a pin 6 of the chip U7, the other end of the resistor R7 is connected with a pin 3 of the optocoupler U7, a pin 2 and a pin 3 of the chip U7, a pin 1 of the chip U7 is connected with a pin 2 of the optocoupler U7, the other end of the resistor R7 is connected with a pin 1 of the optocoupler U7, the chip U7, the other end of the chip 7 is connected with, a pin 1 of the optical coupler U5 is connected with one end of a resistor R6, the other end of the resistor R6 is connected with a pin 17 of a chip U1, and a pin 2 of the optical coupler U5 is connected with a pin 32 of a chip U1.

As shown in fig. 4, the connection relationship of the program debug download port circuit is as follows: pin 1 of pin bank J2 is connected with chip U7's 17 pin, and pin 2 of pin bank J2 is connected with chip U7's 13 pin, and pin 3 of pin bank J2 is connected with electric capacity C16 one end, and electric capacity C16 other end ground connection, and pin 4 of pin bank J2 is connected with resistance R11 one end, and the resistance R11 other end is connected with chip U7's 1 pin.

As shown in fig. 5, the connection relationship of the bluetooth second module circuit is as follows: pin 1 of the chip U6 is connected with the cathode of the light emitting diode D6 and pin 63 of the chip U7, pin 6 of the chip U6 is connected with pin 13 of the chip U7, pin 7 of the chip U6 is connected with one end of a resistor R12, pin 12 of the chip U6 is connected with pin 61 of the chip U7, the anode of the light emitting diode D6 is connected with one end of a resistor R10, the other end of the resistor R12 is connected with the other end of the resistor R10, one end of a capacitor C1 and pin 5 of the chip U6, and the other end of the capacitor C1 is grounded.

As shown in fig. 5, the connection relationship of the second circuit of the buzzer is as follows: the base electrode of the triode Q1 is connected with one end of the resistor R15, the collector electrode of the triode Q1 is connected with one end of the resistor R13, the emitter electrode of the triode Q1 is connected with one end of the resistor R17 and is grounded after connection, the other end of the resistor R15 and the other end of the resistor R17 are both connected with a 39 pin of the chip U7, the other end of the resistor R13 is connected with one end of the buzzer B1, and the other end of the buzzer B1 is connected with a 17 pin of the chip U7. As shown in fig. 5, the connection relationship of the LED status indication second circuit is as follows: one end of the resistor R1 is connected with a pin 44 of the chip U7, the other end of the resistor R2 is connected with the anode of the light-emitting diode D1, one end of the resistor R2 is connected with a pin 45 of the chip U7, the other end of the resistor R2 is connected with the anode of the light-emitting diode D3, and the cathode of the light-emitting diode D3 is grounded. As shown in fig. 5, the connection relationship of the power supply part circuit is as follows: a pin 1 of a voltage stabilizing chip U1 is connected with a positive electrode of a capacitor C2, one end of a capacitor C3 and a pin 3 of a diode bridge D2, a pin 2 of a voltage stabilizing chip U1 is connected with a pin 4 of a diode bridge D2, a negative electrode of a capacitor C2, the other end of a capacitor C3, a negative electrode of a capacitor C5, one end of a capacitor C4 and a VCP-voltage end, a pin 3 of a voltage stabilizing chip U1 is connected with a positive electrode of a capacitor C5, the other end of a capacitor C4 and a VCP + voltage end, a pin 1 of a voltage stabilizing chip U2 is connected with a positive electrode of a capacitor C9, one end of a capacitor C7 and a pin 3 of a diode bridge D7, a pin 2 of a voltage stabilizing chip U7 is connected with a pin 4 of the diode bridge D7, a negative electrode of the capacitor C7, the other end of the capacitor C7, the negative electrode of the capacitor C7, the pin 3 of the voltage stabilizing chip U7, the capacitor C7 and, pin 2 of diode bridge D2 is connected with pin 6 of transformer T1, pin 1 of diode bridge D4 is connected with pin 5 of transformer T1, pin 2 of diode bridge D4 is connected with pin 4 of transformer T1, pin 1 of transformer T1 is connected with pin 2 of varistor RT1, pin 3 of transformer T1 is connected with one end of inductor L2 and VSS voltage end, pin 3 of varistor RT1 is connected with VSS voltage end, pin 1 of varistor RT1 is connected with one end of inductor L1 and 220VN voltage end, the other end of inductor L1 is connected with one end and L end of potentiometer VR1, and the other end of inductor L2 is connected with the other end and N end of potentiometer VR 1.

Example four: the fourth embodiment is further optimized by the third embodiment.

The network card writer is internally provided with a network card writer circuit, as shown in fig. 6 to 14, the network card writer circuit comprises a main board circuit, a 4G interface board circuit, an ethernet interface board circuit, a power board circuit, an IC card board circuit, a key board circuit and an IC card fixing board circuit, the 4G interface board circuit, the ethernet interface board circuit, the power board circuit, the IC card board circuit, the key board circuit and the IC card fixing board circuit are all connected with the main board circuit, the main board circuit comprises an MCU circuit, and as shown in fig. 6, the connection relationship of the MCU circuit is as follows: pin 16 of the chip U is connected with a capacitor C, pin 15 of the chip U is connected with the capacitor C, pin 14 of the chip U is connected with the capacitor C and the capacitor C, pin 11 and pin 12 of the chip U are connected with the capacitor C, pin 17 of the chip U is connected with the capacitor C, pin 64 of the chip U is connected with the capacitor C, the capacitor C and the capacitor C, pin 47 of the chip U is connected with one end of a resistor R, pin R and the capacitor C, pin 48 of the chip U, pin R and the capacitor C, the other end of the resistor R is connected with pin 17 of the chip U, pin 1 of the pin J is connected with pin 17 of the chip U, pin 2 of the pin J is connected with pin 13 of the chip U, pin 3 of the pin J is connected with one end of the capacitor C, pin 4 of the pin J is connected with one end of the resistor R, and the other end of the resistor R is connected with pin 1 of, the cathode of diode D3 is connected to pin 18 of chip U1 and one end of capacitor C17, the anode of diode D3 is connected to the anode of battery BAT1 and one end of resistor R11, the cathode of battery BAT1 is connected to one end of resistor JP1, the other end of resistor JP1 is connected to the other end of capacitor C17, the other end of resistor R11 is connected to pin 10 of chip U1 and one end of resistor R12, one end of resistor R12 is connected to pin 3 of chip U12, the other end of resistor R12 is connected to one end of switch SW 12, pin 1 of chip U12 is connected to common point LTX, pin 2 of chip U12 is connected to common point LRX, pin 1 of pin J12 is connected to pin 34 of chip U12 and one end of resistor R12, pin 2 of pin J12 is connected to pin 33 of chip U12 and one end of resistor R12, pin 3 of pin J12 is connected to pin 13 of chip U12, and pin 3 is connected to pin of chip J12 via common pin 365. The other end of the resistor R14 is connected with 6 pins of a pin bank J4 through a common point LTX, 1 pin, 2 pins and 3 pins of the pin bank J4 are all connected with 17 pins of a chip U1, 4 pins of the pin bank J4 are connected with 28 pins of a chip U1, and 7 pins of the pin bank J4 are connected with 27 pins of a chip U1.

The motherboard circuit further includes an infrared interface circuit, as shown in fig. 7, the connection relationship of the infrared interface circuit is as follows: the collector of the triode Q8 is grounded, the emitter of the triode Q8 is connected with the cathode of the light emitting diode D6, the anode of the light emitting diode D6 is connected with one end of a resistor R42, the other end of the resistor R42 is connected with one end of a resistor R41 and a pin 17 of a chip U1, the other end of the resistor R41 is connected with one end of a resistor R43 and a pin 60 of a chip U1, the other end of the resistor R43 is connected with the base of the triode Q8, a pin 1 of the chip U13 is connected with one end of a resistor R44 and a pin 59 of a chip U1, the other end of the resistor R44 is connected with a pin 17 of a chip U1, a pin 2 of a chip U13 is connected with one end of a capacitor C20 and then grounded, a pin 3 of the chip U13 is connected with the other end of a capacitor C20 and one end of a resistor.

The motherboard circuit further includes a storage circuit, as shown in fig. 7, the connection relationship of the storage circuit is as follows: the 1 pin and the 8 pin of the chip U12 are connected with the 43 pin of the chip U1, the 2 pin, the 3 pin and the 4 pin of the chip U12 are connected and then grounded, the 5 pin of the chip U12 is connected with the 37 pin of the chip U1, the 6 pin of the chip U12 is connected with the 36 pin of the chip U1, the 7 pin of the chip U12 is connected with the 13 pin of the chip U1, the 1 pin, the 2 pin, the 3 pin and the 4 pin of the chip U2 are connected and then grounded, the 5 pin of the chip U2 is connected with one end of a resistor R6, the 6 pin of the chip U2 is connected with one end of a resistor R5, the other end of the resistor R6 is connected with the other end of a resistor R5, one end of a capacitor C23 and the 43 pin of the chip U1, the other end of the capacitor C23 is grounded, the 7 pin of the chip U2 is connected with the 13 pin of the chip U1.

The motherboard circuit further includes a power module circuit, as shown in fig. 7, the connection relationship of the power module circuit is as follows: pin 1 and pin 2 of pin bank J8 are connected to one end of capacitor C14, one end of capacitor C15, one end of capacitor C28, one end of resistor R7 and pin 5 of chip U3, and are connected to common point +36V, the other end of resistor R7 is connected to pin 4 of chip U7, pin 1 of chip U7 is connected to one end of capacitor C7, the other end of capacitor C7 is connected to the cathode of diode D7, one end of inductor L7 and pin 6 of chip U7, pin 3 of chip U7 is connected to one end of resistor R7 and one end of resistor R7, the other end of inductor L7 is connected to one end of resistor R7, one end of capacitor C7, the anode of capacitor C7, one end of capacitor C7 and pin 17 of chip U7, the other end of resistor R7 is connected to the other end of resistor R7, the other end of capacitor C7 is connected to the cathode of capacitor C7, and the cathode of capacitor C7 is connected to ground, pins 3 and 4 of the pin bank J8 are connected with the other end of the capacitor C14, the other end of the capacitor C15, the other end of the capacitor C28, a pin 2 of the chip U3, the anode of the diode D1, the other end of the resistor R10 and the other end of the capacitor C2 and then grounded.

The main board circuit further includes a buzzer circuit, as shown in fig. 7, the buzzer circuit is connected as follows: the base electrode of the triode Q3 is connected with one end of the resistor R26, the collector electrode of the triode Q3 is connected with one end of the resistor R36, the emitter electrode of the triode Q3 is connected with one end of the resistor R35 and is grounded after connection, the other end of the resistor R26 and the other end of the resistor R35 are both connected with a pin 46 of the chip U1, the other end of the resistor R36 is connected with one end of the buzzer B1, and the other end of the buzzer B1 is connected with a pin 17 of the chip U1.

The motherboard circuit further includes a 4G/WLAN interface circuit, as shown in fig. 8, the connection relationship of the 4G/WLAN interface circuit is as follows: one end of a capacitor C25 and pins 1 and 2 of a pin bank J17 are all connected with a common point +36V, the other end of the capacitor C25 is grounded, pins 3 and 4 of the pin bank J17 are all connected with pin 13 of a chip U1, pin 5 of the pin bank J17 is connected with one end of a resistor JP2, the other end of the resistor JP2 is connected with pin 17 of a chip U1, pin 6 of the pin bank J17 is connected with one end of a resistor R55, the other end of the resistor R55 is connected with pin 57 of the chip U1, pin 7 of the pin bank J1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with pin 58 of the chip U1, pin 8 of the pin bank J1 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with pin 45 of the chip U1, pin 9 of the pin bank J1 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with pin 10 of the chip U1, and the other end of the pin 1 is connected with, pin 12 of header J17 is connected to pin 54 of chip U1.

The motherboard circuit further includes other interface circuits, as shown in fig. 7, the connection relationship of the other interface circuits is as follows: one end of a resistor R57, one end of a resistor R58 and one end of a resistor R59 are respectively connected with a pin 17 of a chip U1, the other end of the resistor R57 is connected with an anode of a light-emitting diode D7, the other end of the resistor R58 is connected with an anode of a light-emitting diode D8, the other end of the resistor R59 is connected with an anode of a light-emitting diode D9, a cathode of the light-emitting diode D7 is connected with a pin 61 of the chip U1, a cathode of the light-emitting diode D8 is connected with a pin 62 of the chip U1, a cathode of the light-emitting diode D9 is connected with a pin 6 of the chip U1, a pin 1 of a pin gang pin J5 is connected with a pin 17 of the chip U1, a pin 2 of a pin J5 is connected with a pin 59 of the chip U1, a pin 1 of the gang pin J5 is connected with one end of the resistor R20, the other end of the resistor R20 is connected with a pin 60.

The motherboard circuit further includes a bayonet circuit, as shown in fig. 7, the connection relationship of the bayonet circuit is as follows: an emitter of the triode Q4 is connected with a pin 17 of a chip U1, a collector of the triode Q4 is connected with one end of a capacitor C18, one end of a resistor R4 and pins 1 and 2 of a pin bank J2, a base of the triode Q4 is connected with one end of a resistor R19, the other end of the resistor R19 is connected with a pin 52 of a chip U1, the other end of the resistor R4 is connected with a pin 51 of the chip U1 and pins 3 and 4 of the pin bank J2, pins 5 and 6 of the pin bank J2 are connected with a pin 49 of the chip U1, a pin 7 of the pin bank J2 is connected with a pin 53 of the chip U1, a pin 8 of the pin bank J2 is connected with a pin 50 of the chip U1, and pins 9 and 10 of the pin bank J2 are connected with a pin 13 of the chip U1.

The motherboard circuit further includes an RS485 interface circuit, as shown in fig. 8, the connection relationship of the RS485 interface circuit is as follows: pin 1 of the pin bank J18 is connected with the negative electrode of the capacitor C21, one end of the capacitor C22, one end of the resistor R28, one end of the resistor R31 and pins 4 and 5 of the chip U9, pin 2 of the pin bank J18 is connected with the positive electrode of the capacitor C18, the other end of the capacitor C18, one end of the resistor R18, pin 4 of the optocoupler U18, pin 8 of the chip U18 and one end of the resistor R18, pin 3 of the pin bank J18 is connected with one end of a suppressor diode D18, the other end of the resistor R18 is connected with pin 7 of the chip U18, pin 4 of the pin bank J18 is connected with one end of the thermistor R18, the other end of the thermistor R18 is connected with the other end of the suppressor diode D18, the other end of the resistor R18 and pin 6 of the chip U18, the other end of the resistor R18 is connected with pin 3 of the U18, pin 2 of the chip U18 is connected with the pin 1 of the optocoupler U18, and the pin 3 of the other end of the optocoupler 18 is connected with, all be connected with resistance R22 one end and chip U1's 31 pins with the 4 pins of opto-coupler U5, the resistance R22 other end is connected with chip U1's 17 pins, and 1 pin and resistance R24 one end of opto-coupler U6 are connected, and the resistance R24 other end is connected with chip U1's 17 pins, and 2 pins and chip U1's 32 pins of opto-coupler U6 are connected.

The main board circuit further includes a key sheet J10, and as shown in fig. 8, pins 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 of the key sheet J10 are connected to

pins

17, 23, 24, 25, 26, 39, 40, 41, 42, and 13 of the chip U1, respectively.

The 4G interface board circuit includes a 4G module circuit, and as shown in fig. 9, the connection relationship of the 4G module circuit is as follows: pin 1 of chip U8A is connected with one end of resistor R40, pin 7 of chip U8A is connected with one end of capacitor C28, the other end of capacitor C28 is grounded, pin 20 of chip U8A is connected with one end of resistor R17, pin 21 of chip U8A is connected with one end of resistor R26, the other end of resistor R17 is connected with the other end of resistor R26, pin 50, pin 51, pin 52, pin 53 and pin 54 of chip U8A are connected, pin 49 of chip U8A is connected with one end of resistor R39 and one end of capacitor C15, pin 48 of chip U8A is connected with the other end of capacitor C15 and one end of capacitor C31, the other end of resistor R39 is connected with the other end of capacitor C31 and pin 2 of antenna base J9, and pin 68 of chip U8A is connected with one end of resistor R16.

The 4G interface board circuit further includes a transmission-reception interlock circuit, and as shown in fig. 10, the connection relationship of the transmission-reception interlock circuit is as follows: one end of a capacitor C39 is connected with one end of a resistor R22, the other end of the capacitor C39 is grounded, the other end of the resistor R22 is connected with a collector of a triode Q1, one end of a resistor R21 is connected with a base of a triode Q1, and an emitter of the triode Q1 is connected with a pin 67 of a chip U8A.

The 4G interface board circuit further includes a SIM card socket and a card socket protection circuit, as shown in fig. 10, the connection relationship between the SIM card socket and the card socket protection circuit is as follows: one end of a resistor R18 is connected with one end of a resistor R29 and a 15 pin of a chip U8A, the other end of the resistor R18 is connected with a 5 pin of a diode module U5, one end of a resistor R19 is connected with a 16 pin of a chip U8A, the other end of the resistor R19 is connected with a 4 pin of a diode module U5, a 6 pin of a socket JP2 and one end of a capacitor C35, one end of a resistor R20 is connected with a 17 pin of a chip U8A, the other end of a resistor R20 is connected with a 3 pin of a diode module U5, a 5 pin of a socket JP2 and one end of a capacitor C37, the other end of a resistor R29 is connected with a 14 pin of a chip U8A, a 6 pin of a diode module U5, a 4 pin of a socket JP2, one end of a capacitor C34 and one end of a capacitor C36, and.

The 4G interface board circuit further includes a status indication circuit, as shown in fig. 9, the connection relationship of the status indication circuit is as follows: the anode of the LED4 is connected to one end of a resistor R30, the cathode of the LED4 is connected to the collector of the transistor Q3, the other end of the resistor R30 is connected to one end of a capacitor C40, one end of a capacitor C43, one end of a capacitor C41 and one end of a capacitor C44, the other end of the capacitor C40 is connected to the other end of a capacitor C43, the other end of the capacitor C41 is connected to the other end of a capacitor C44, the base of the transistor Q3 is connected to one end of a resistor R38, the other end of the resistor R358 is connected to one end of a resistor R35 and the 6 pins of the chip U8, and the other end of the resistor R35.

The 4G interface board circuit further includes a power output circuit, as shown in fig. 10, the connection relationship of the power output circuit is as follows: pins 1 of a chip U6 are connected with one end of a resistor R2, one end of a capacitor C9, the anode of the capacitor C12 and one end of a capacitor C12, pins 3 of the chip U12 are connected with the other end of the resistor R12, pins 2 of the chip U12 are connected with the other end of the capacitor C12, the cathode of the capacitor C12, one end of a resistor R12, the cathode of the capacitor C12, one end of the capacitor C12 and the anode of a zener diode D12, and are grounded after connection, pins 5 of the chip U12 are connected with the other end of the capacitor C12, pins 4 of the chip U12 are connected with one end of the capacitor C12, one end of the resistor R12 and one end of the resistor R12, pins 6 of the chip U12 are connected with the anode of the diode D12 and then are grounded, pins 7 of the chip U12 are connected with one end of the capacitor C12, pins 8 of the chip U12 are connected with the other end of the diode C12, the cathode of the resistor L12 and one end of the inductor L, the other end of the resistor R11 is connected with the other end of the resistor R4, and the inductors L1 are all connected with the other end of the capacitor C14, the other end of the resistor R7, the anode of the capacitor C23, the other end of the capacitor C6 and the cathode of the voltage stabilizing diode D8.

The 4G interface board circuit further includes a pin bank J2, as shown in fig. 10, pin 1 and pin 2 of pin bank J2 are both connected to pin 1 of chip U6, pin 6 of pin bank J2 is connected to the collector of transistor Q1, pin 7 of pin bank J2 is connected to pin 68 of chip U6, pin 8 of pin bank J2 is connected to pin 21 of chip U6, and pin 10 of pin bank J2 is connected to pin 20 of chip U6.

The ethernet interface board circuit includes an ethernet interface chip circuit, as shown in fig. 11, the connection relationship of the ethernet interface chip circuit is as follows: a pin 36 of a chip U1 is connected with one end of a capacitor C3, a pin 1 of the chip U1 is connected with one end of a resistor R4, pins 10 of the chip U1 are connected with one end of a capacitor C4 and one end of a crystal oscillator X1, pins 11 of the chip U1 are connected with one end of a capacitor C5 and the other end of a crystal oscillator X1, a pin 57 of a chip U1 is connected with one end of a resistor R57, the other end of the resistor R57 and one end of a resistor R12 are connected with a 3V3 voltage end, the other end of the resistor R12 is connected with a base of a triode Q2, an emitter of the triode Q2 is connected with a pin 58 of the chip U1, a collector of the triode Q2 is connected with one end of a resistor R23, the other end of the resistor R23 is connected with a VCC voltage end, a pin 21, a pin 29, a pin 42, a pin 45, a pin 63, a pin 2 pin, a pin 12 pin, a pin 17 pin and a pin 40 of the chip U23 are connected with a rear voltage end, a pin 19 pin and, the pin 3, the pin 9, the pin 13, the pin 18, the pin 20, the pin 37, the pin 41, the pin 44 and the pin 48 of the chip U1 are connected and then grounded, one end of a resistor R13 is connected with a VCC voltage end, the other end of the resistor R13 is connected with the anode of an LED2, and the cathode of the LED2 is connected with a GND common end.

The ethernet interface board circuit further includes isolated RJ45 jack circuits, and as shown in fig. 12, the isolated RJ45 jack circuits are connected as follows: pin 1 of RJ45 socket P1 is connected to one end of resistor R8 and pin 7 of chip U1, pin 2 of RJ45 socket P1 is connected to one end of resistor R7 and pin 8 of chip U1, pin 3 of RJ45 socket P1 is connected to one end of resistor R6 and pin 4 of chip U1, pin 6 of RJ45 socket P1 is connected to one end of resistor R5 and pin 5 of chip U1, pin 4 and pin 5 of RJ45 socket P1 are connected to voltage terminal 3V3, pin 8 of RJ45 socket P1 is grounded, pin 9 of RJ45 socket P45 is connected to one end of resistor R45, the other end of resistor R45 is connected to voltage terminal 3V 45, pin 10 and pin 11 of RJ45 are connected to pin 52 of chip U45, pin 12 of RJ 45P socket P45 is connected to one end of resistor R45, the other end of resistor R45 is connected to resistor R45, the other end of resistor R45 and the resistor R45 is connected to voltage terminal V45, the other end of resistor R45 and the other end 45 is connected to resistor R45, one end of the capacitor C6 is connected with one end of the capacitor C7 and then connected with the voltage end of the 3V3, and the other end of the capacitor C6 is connected with the other end of the capacitor C7 and then grounded.

The ethernet interface board circuit further includes a filter circuit, as shown in fig. 12, the connection relationship of the filter circuit is as follows: one end of a capacitor C8, one end of a capacitor C9, one end of a capacitor C10, one end of a capacitor C11 and one end of a capacitor C11 are connected and then connected with a 3V 11 voltage end, the other end of a capacitor C11 and the other end of a capacitor C11 are connected and then connected with a 1V 11 voltage end, the other end of a capacitor C11 and the other end of a capacitor C11 are connected.

The ethernet interface board circuit further includes a power supply and a voltage regulator circuit, as shown in fig. 12, the connection relationship between the power supply and the voltage regulator circuit is as follows: pin 1 of a power supply chip U8 is connected with one end of a capacitor C40, the other end of the capacitor C40 is connected with pin 6 of the power supply chip U8, the cathode of a diode D8 and one end of an inductor L8, pin 2 of the power supply chip U8 is connected with the cathode of the capacitor C8, one end of a resistor R8, one end of the capacitor C8, the anode of the diode D8, one end of the resistor R8, one end of the capacitor C8 and the cathode of the capacitor C8 are grounded, pin 3 of the power supply chip U8 is connected with one end of the resistor R8 and the other end of the resistor R8, pin 4 of the power supply chip U8 is connected with one end of the resistor R8, the other end of the resistor R8 and the other end of the capacitor C8, pin 5 of the power supply chip U8 is connected with a common terminal of +12, the anode VIN of the capacitor C8, the other end of the capacitor C8 and the other end of the resistor R8, and, the 1 pin of the voltage stabilizing chip U3 is connected with one end of a capacitor C23, the cathode of the capacitor C26 and one end of a capacitor C24 and then grounded, the 2 pin of the voltage stabilizing chip U3 is connected with the anode of the capacitor C26, the other end of the capacitor C24 is connected with the voltage end of 3V3, the 3 pin of the voltage stabilizing chip U3 is connected with the other end of the capacitor C23 and the voltage end of VCC, the 1 pin of the voltage stabilizing chip U2 is connected with one end of the capacitor C25, the cathode of the capacitor C1 and one end of the capacitor C2 and then grounded, the 2 pin of the voltage stabilizing chip U2 is connected with the anode of the capacitor C1, the other end of the capacitor C2 and the voltage end of 1V8, and the 3 pin of the voltage stabilizing chip U2 is connected with the other end of the capacitor C25 and the voltage.

The ethernet interface board circuit further includes a pin bank J2, as shown in fig. 11, pin 1 and pin 2 of pin bank J2 are both connected to the +12VIN common terminal, pin 3 and pin 4 of pin bank J2 are both connected to the GND common terminal, pin 6 of pin bank J2 is connected to the collector of transistor Q2, pin 7 of pin bank J2 is connected to pin 57 of chip U1, pin 9 of pin bank J2 is connected to pin 49 of chip U1, and pin 10 of pin bank J2 is connected to pin 36 of chip U1.

As shown in fig. 13, the connection relationship of the power board circuit is as follows: pin 1 of pin bank J6 is connected to one end of inductor L1 and one end of potentiometer VR1, pin 2 of pin bank J6 is connected to one end of inductor L2 and the other end of potentiometer VR1, pin 1 of pin bank J1 is connected to one end of capacitor C7, the cathode of capacitor C6, pin 2 of voltage regulator chip U1, the cathode of capacitor C2, one end of capacitor C1, pin 4 of diode bridge D1 and pin 4 of diode bridge D1, pin 2 of pin bank J1 is connected to pin 1 of voltage regulator chip U1, the other end of capacitor C1 and the anode of capacitor C1, pin 3 of pin bank J1 is connected to pin 2 of pin bank J1, pin 4 of pin bank J1 is connected to pin 4 of pin bank J1, pin 3 of chip U1 is connected to the anode of capacitor C1, the other end of capacitor C1, pin 3 of diode D1, pin 3 of diode bridge D1 and pin 3D pin 3 of diode bridge J1, pin 1 of capacitor C1 is connected to pin 1 of pin 1 and pin 1 of capacitor C1, pin 3 of capacitor C1, The anode of the capacitor C9 is connected to the 2 pin of the inductor L5, the 1 pin and the 2 pin of the pin bank J3 are connected to the other end of the capacitor C4, the cathode of the capacitor C9 and the 4 pin of the inductor L5, the 1 pin of the inductor L5 is connected to one end of the capacitor C3, the anode of the capacitor C5 and one end of the inductor L3, the 3 pin of the inductor L5 is connected to the other end of the capacitor C3, the cathode of the capacitor C5 and one end of the inductor L4, the other end of the inductor L3 is connected to one end of the capacitor C8, the 3 pin of the diode bridge D8 and the 3 pin of the diode bridge D8, the other end of the inductor L8 is connected to the other end of the capacitor C8, the 4 pin of the diode bridge D8 and the 4 pin of the diode bridge D8, the other end of the inductor L8 is connected to the voltage terminal of the 220VN voltage terminal and the 1 pin of the varistor RT 8, the other end of the transformer T8 is connected to the voltage terminal of the transformer T8, pin 3 of a piezoresistor RT1 is connected with a VSS voltage end, pin 4 of a transformer T1 is connected with pin 2 of a diode bridge D3, pin 5 of a transformer T1 is connected with pin 1 of a diode bridge D3, pin 6 of a transformer T1 is connected with pin 2 of a diode bridge D1, pin 7 of a transformer T1 is connected with pin 1 of a diode bridge D1, pin 1 of a diode bridge D2 is connected with pin 7 of a transformer T2, pin 2 of a diode bridge D2 is connected with pin 6 of a transformer T2, pin 1 of a diode bridge D4 is connected with pin 5 of a transformer T2, pin 2 of a diode D4 is connected with pin 4 of a transformer T2, pin 1 of a transformer T2 is connected with pin 2 of a resistor RT2, pin 3 of a transformer T2 is connected with a VSS voltage end, pin 1 of a piezoresistor RT2 is connected with a 220 voltage end, and pin 3 of a piezoresistor RT2 is connected with a VSS voltage bridge VN 4.

As shown in fig. 14, the connection relationship of the IC card circuit is as follows: pin 1 of IC-card chip U1 is connected with pin 3 of pin bank J2, pin 2 of IC-card chip U1 is connected with pin 2 of pin bank J2, pin 3 of IC-card chip U1 is connected with pin 5 of pin bank J2, pin 7 of IC-card chip U1 is connected with pin 6 of pin bank J2, pin 10 of IC-card chip U1 is connected with pin 4 of pin bank J2.

As shown in fig. 14, the connection relationship of the IC card holder circuit is as follows: pin 1, pin 2, pin 3, pin 4, pin 5 and pin 6 of pin header J1 are sequentially connected with pin 11, pin 9, pin 7, pin 5, pin 3 and pin 1 of pin header RT1, pin 2 of capacitor C1 is connected with pin 2 of pin header J1, the other end of capacitor C1 is connected with pin 1 of pin header J1 and then grounded, pin 2 of pin header RT1 is connected with pin 3 and pin 4 of pin header J2, pin 4 of pin header RT1 is connected with pin 5 and pin 6 of pin header J2, pin 6 of pin header RT1 is connected with pin 7 of pin header J2, pin 8 of pin header RT1 is connected with pin 1 and pin 2 of pin header J2, and pin 10 of pin header RT1 is connected with pin 8 of pin header J2.

As shown in fig. 14, the connection relationship of the keypad circuit is as follows: capacitor C one end, capacitor C one end and capacitor C one end are connected the back ground connection, resistance R one end and resistance R one end are connected the back and are connected with VCC voltage end connection, 1 pin of row needle J is connected with VCC voltage end, 10 pins of row needle J are connected with GND common terminal, 2 pins of row needle J all with the capacitor C other end, the resistance R other end, switch S one end and switch S one end are connected, 3 pins of row needle J all with the capacitor C other end, the resistance R other end, switch S one end and switch S one end are connected, 4 pins of row needle J all with the capacitor C other end, the resistance R other end, switch S one end and, The other end of the resistor R, the other end of the switch S, the one end of the switch S and the one end of the switch S are connected, 5 pins of the pin bank J are all connected with the other end of the capacitor C, the other end of the resistor R, the one end of the switch S and the one end of the switch S, 6 pins of the pin bank J are all connected with the other end of the capacitor C, the other end of the resistor R, the other end of the switch S and the other end of the switch S, 7 pins of the pin bank J are all connected with the other end of the capacitor C, the other end of the resistor R, the other end of the switch S and the other end of the, The other end of the resistor R8, the other end of the switch S7, the other end of the switch S10, the other end of the switch S13 and the other end of the switch S16 are connected.

As shown in fig. 8, the motherboard circuit further includes a pin header J16, as shown in fig. 10, the 4G interface board circuit further includes a pin header J1, as shown in fig. 11, the ethernet interface board circuit further includes a pin header J1, and connectors of the motherboard circuit, the 4G interface board circuit, and the ethernet interface board circuit are formed by matching a pin header J17 in the 4G/WLAN interface circuit, a pin header J2 in the 4G interface board circuit, and a pin header J2 in the ethernet interface board circuit through a pin header J16 and two pin headers J1, so as to implement connection among three circuits.

The power supply board circuit is subjected to voltage reduction, rectification and filtering by an alternating current 220V transformer to obtain two groups of power supply outputs, namely a group of 5V power supply outputs and a group of 18V power supply outputs. In order to reduce the overall circuit board height while achieving sufficient power supply, two transformers are employed. The input side of the transformer is provided with a piezoresistor for resisting interference, and the two groups of outputs of the transformer are mutually isolated. Wherein 18V is a main power supply, and a power supply anti-interference circuit with pi-type filtering composed of series core inductors (L3, L4), a common mode rejection coil and a capacitor is added on the circuit. And a 5V power supply is used as a power supply for RS485 communication.

The 4G interface board circuit is mainly used for the network card writer to carry out 4G communication connection. The Ethernet interface board circuit is mainly used for the network card writer to carry out network connection. The IC card board circuit is mainly used for connecting the IC card with a mainboard circuit so as to read and write data. The IC card fixing board circuit is only used as a structural circuit for circuit connection, and the IC card board circuit is mainly connected to the main board circuit through the IC card fixing board circuit. The key board circuit is a 16-bit key consisting of 4-4 signal lines and is used for keys with 0-9 digits, upper, lower, left and right, confirmation and omission.

In practice, the bluetooth card writer may be a mobile charging device for a single powered user; the network card writer can be arranged at a self-service place of a property office, or an entrance of a building unit, and the like, which can be conveniently contacted by more power users; the Bluetooth collector can be arranged beside an electric meter of the electric well; the method can be applied in various forms according to actual requirements, and is not limited to the application form of the invention.

Claims

1. A remote electric energy recharging system is characterized by comprising a recharging device, wherein the recharging device comprises a Bluetooth card writer, a network card writer and a Bluetooth collector, the Bluetooth card writer and the network card writer are used for writing an electric card, and the Bluetooth collector is used for being connected with an electric meter and a mobile terminal which can be in communication connection with a cloud background respectively so as to enable the electric meter to be in indirect communication connection with the cloud background;

the Bluetooth card writer is internally provided with a Bluetooth card writer circuit, the Bluetooth card writer circuit comprises a CPU circuit, an encryption card circuit, an intelligent card circuit, a setting switch circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit, and the encryption card circuit, the intelligent card circuit, the setting switch circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are all connected with the CPU circuit;

the CPU circuit comprises a chip U6, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C16, a capacitor C17, a resistor R24 and a resistor R25, wherein a pin 16 of the chip U6 is connected with the capacitor C10, a pin 15 of the chip U6 is connected with the capacitor C13, a pin 14 of the chip U6 is connected with the capacitor C11 and the capacitor C12, pins 11 and 12 of the chip U6 are connected with the capacitor C9, a pin 17 of the chip U9 is connected with the capacitor C9, a pin 64 of the chip U9 is connected with the capacitor C9, the capacitor C9 and the capacitor C9 are connected with the ground, a pin 47 of the chip U9 is connected with one end of the resistor R9, the other end of the resistor R9 and the other end of the chip U9 are connected with the resistor R9, the chip U9, and the other end of the.

2. The remote electric power charging system of claim 1, wherein the switch circuit is configured to include a switch K1, one terminal of the switch K1 is connected to pin 54 of the chip U6, and the other terminal is connected to ground.

3. The remote electric energy recharging system of claim 2, wherein the USB circuit comprises a USB socket J, a chip U, a capacitor C, a resistor JP, a resistor R and a resistor R, wherein pins 1 of the USB socket J are connected with one end of the capacitor C and one end of the capacitor C, and are grounded after connection, pins 2 of the USB socket J are connected with pins 1 of the chip U and pins 1 of the chip U, pins 3 of the USB socket J are connected with pins 2 of the chip U and pins 2 of the chip U, pins 4 of the USB socket J are connected with one end of the resistor JP and one end of the resistor JP, and the other end of the resistor JP is connected with the other end of the resistor JP, the other end of the capacitor C, one end of the resistor R, pin 5 of the chip U and pin 17 of the chip U, the other end of the capacitor C18 is grounded, the pin 3 of the chip U2 is grounded, the other end of the capacitor C7 is grounded, the pin 3 of the chip U5 is connected with the pin 13 of the chip U6, the pin 6 of the chip U5 is connected with the other end of the resistor R18, the pin 7 of the chip U5 is connected with the other end of the resistor R19, the pin 8 of the chip U5 is connected with one end of the capacitor C6, and the other end of the capacitor C6 is grounded.

4. The remote electric energy recharging system of claim 3, wherein the program downloading debugging port circuit comprises a pin bank J3, a capacitor C15 and a resistor R20, wherein pin 1 of the pin bank J3 is connected with pin 17 of the chip U6, pin 2 of the pin bank J3 is connected with pin 13 of the chip U6, pin 3 of the pin bank J3 is connected with one end of the capacitor C15, the other end of the capacitor C15 is grounded, pin 4 of the pin bank J3 is connected with one end of the resistor R20, and the other end of the resistor R20 is connected with pin 1 of the chip U6.

5. The remote electric energy recharging system of claim 4, wherein the Bluetooth module circuit comprises a chip U11, a resistor R28, a resistor R32 and a light emitting diode D9, wherein pin 1 of the chip U11 is connected with the cathode of the light emitting diode D9 and pin 63 of the chip U6, pin 6 of the chip U11 is connected with pin 13 of the chip U6, pin 7 of the chip U11 is connected with one end of the resistor R28, pin 12 of the chip U11 is connected with pin 61 of the chip U6, and the anode of the light emitting diode D9 is connected with one end of the resistor R32.

6. The remote electric energy recharging system of claim 5, wherein the Bluetooth card writer circuit further comprises a status indicating circuit, the status indicating circuit comprises a resistor R1, a resistor R2, a light emitting diode D1 and a light emitting diode D2, one end of the resistor R1 is connected with a pin 44 of the chip U6, the other end of the resistor R1 is connected with an anode of the light emitting diode D1, a cathode of the light emitting diode D1 is grounded, one end of the resistor R2 is connected with a pin 45 of the chip U6, the other end of the resistor R2 is connected with an anode of the light emitting diode D2, and a cathode of the light emitting diode D2 is grounded.

7. The remote electric energy recharging system of claim 6, wherein the bluetooth card writing circuit further comprises a buzzer circuit, the buzzer circuit comprises a transistor Q4, a resistor R29, a resistor R30, a resistor R31 and a buzzer B1, a base of the transistor Q4 is connected to one end of a resistor R31, a collector of the transistor Q4 is connected to one end of the resistor R29, an emitter of the transistor Q4 is connected to one end of the resistor R30 and is grounded after the connection, the other end of the resistor R31 and the other end of the resistor R30 are both connected to a 39 pin of the chip U6, the other end of the resistor R29 is connected to one end of the buzzer B1, and the other end of the buzzer B1 is connected to a 17 pin of the chip U6.

8. The remote electric energy recharging system of claim 7, wherein the bluetooth card writer circuit further comprises a voltage stabilizing circuit, the voltage stabilizing circuit comprises a voltage stabilizing chip U10, a capacitor C27, a capacitor C37 and a capacitor C50, 3 pins of the voltage stabilizing chip U10 are connected with one end of the capacitor C37 and a 17 pin of the chip U6, 2 pins of the voltage stabilizing chip U10 are connected with the anode of the capacitor C27, the other end of the resistor R32, the other end of the resistor R28 and one end of the capacitor C50, and 1 pin of the voltage stabilizing chip U10 is connected with the other end of the capacitor C37, the cathode of the capacitor C27 and the other end of the capacitor C50, and is grounded after connection.

9. A remote electric energy charging method, characterized in that, using any one of the remote electric energy charging systems of the above claims 1-8, comprising the following:

selecting a Bluetooth card writer, a network card writer or a Bluetooth collector to use in the recharging device;

if the Bluetooth card writer is selected, the electric card of a user is inserted into the intelligent card seat of the intelligent card circuit, the intelligent card switch, namely the triode Q2, is triggered, and the chip U6 of the CPU circuit starts to interact with the electric card; a user uses the mobile terminal to read data in the user electric card; a user issues a recharging command through the mobile terminal, and recharging data is written into the electric card through the Bluetooth card writer; the user inserts the electric card into the electric meter to finish recharging;

10. The remote electric energy recharging method of claim 9, wherein the prompting of the electric card use status information comprises: information whether the recharge amount in the electric card is recharged to the electric meter; if the recharging amount in the electric card is not recharged to the electric meter, the LCD prompts a user to insert the electric card into the electric meter for recharging; if the recharging amount in the electric card is recharged to the electric meter, the LCD will prompt that the card can be written for recharging.